/*
 * Copyright 2013-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.lybgeek.gateway.autoconfigure;

import com.github.lybgeek.gateway.predicate.ParamRoutePredicateFactory;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.gateway.config.GatewayProperties;
import org.springframework.cloud.gateway.config.PropertiesRouteDefinitionLocator;
import org.springframework.cloud.gateway.discovery.GatewayDiscoveryClientAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.reactive.DispatcherHandler;


@Configuration
@ConditionalOnProperty(name = "spring.cloud.gateway.ext.enabled", havingValue = "true",matchIfMissing = true)
@AutoConfigureBefore({ GatewayDiscoveryClientAutoConfiguration.class})
@ConditionalOnClass(DispatcherHandler.class)
public class GatewayAutoExtConfiguration {

	@Bean
	@ConditionalOnMissingBean
	@ConditionalOnProperty(name = "spring.cloud.gateway.properties-route-definition-locator.load.first", havingValue = "true",matchIfMissing = true)
	public PropertiesRouteDefinitionLocator propertiesRouteDefinitionLocator(
			GatewayProperties properties) {
		return new PropertiesRouteDefinitionLocator(properties);
	}

	@Bean
	@ConditionalOnMissingBean
	public ParamRoutePredicateFactory paramRoutePredicateFactory(){
		return new ParamRoutePredicateFactory();
	}

}
